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How to Make Homemade Laundry Soap

Making homemade cleaners is one of the easiest ways to save money in your home. Did you know you can even make homemade laundry soap for practically pennies?

I’ve been making this laundry soap for over a decade, and I couldn’t even begin to tell you how much money that has saved me in all those years.

How to Make Homemade Laundry Soap and save a ton! $$$ Find out how from Cosmopolitan Cornbread

Here’s what you’ll need to make this:

  • 1 (4 or 5 gallon) bucket with a lid. You can get one at the hardware store, or re-use one from something else, such as an emptied wheat bucket or even a kitty litter pail.
  • a bar of Fels Naptha soap (You’ll actually only need 2/3 of the bar)
  • Borax
  • Washing Soda (NOT baking soda)
  • Water
  • grater
  • An old pot and spoon

The borax, washing soda and Fels Naptha can all be found in the laundry aisle of your grocery store.

To begin, grate 2/3 of the bar of Fels Naptha soap. Put the grated soap into an old pot (I just grate it directly into the pot.)

How to Make Homemade Laundry Soap and save a ton! $$$ Find out how from Cosmopolitan Cornbread

To that, add 1 cup each of Borax and Washing Soda

How to Make Homemade Laundry Soap and save a ton! $$$ Find out how from Cosmopolitan Cornbread

To the mixture, add a gallon of water.

How to Make Homemade Laundry Soap and save a ton! $$$ Find out how from Cosmopolitan Cornbread

Place the pot on your stove. Stir this together over low heat until the soap is all dissolved. ****Whatever you do, do NOT let this boil over, or you will have the biggest mess in human history!!! Don’t ask me how I know. Or ask. It’s okay. I’ve since recovered.

How to Make Homemade Laundry Soap and save a ton! $$$ Find out how from Cosmopolitan Cornbread

When the soap is dissolved, pour it all into the bucket with another 3 gallons of water. Stir it all together. Put your lid on the bucket and set it in your laundry room. Let it rest undisturbed overnight. The next day, you will have a goopy, jelly mixture. It will look slimy and weird, but that’s normal. Before using, give it a good stir.

How to Make Homemade Laundry Soap and save a ton! $$$ Find out how from Cosmopolitan Cornbread

For an average load of laundry, I use 1/2 to 1 cup of the soap. This soap is low sudsing (or practically suds-free) and perfectly safe for high efficiency washers.

This makes a LOT of laundry soap, and this batch will last my family months!!

 

Variation 1:

Instead of using 2/3 of a bar of Fels Naptha soap, you can also use two whole bars of Ivory soap. It may not be quite as cost effective, but works equally well.

Variation 2:

Rather than making this as a liquid laundry soap, you can also do this as a dry version. To do that, combine all of the grated soap, borax and washing soda in a food processor or blender, and pulse until the grated soap is like powder. Store it in an airtight container.

When you do a load of laundry, you’ll only need a tablespoon of the mixture. I personally prefer the liquid/jelly method because if you miss pieces of soap in the blending process, they may not dissolve fully in the laundry. I always wash clothes on cold, so maybe that is why.

 

Have you ever made homemade laundry soap? Have a different way of making it? I’d love to hear about it. Share your technique in the comments below!

2 thoughts on “How to Make Homemade Laundry Soap”

  1. If you don’t like dry laundry detergent and don’t have time to make the liquid version, dissolve the tablespoon of dry in a cup of warm water, then pour into a tub of water, agitate a little and load up.

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